31424313311222 has 16 divisors (see below), whose sum is σ = 50894891066880. Its totient is φ = 14465660993472.

The previous prime is 31424313311221. The next prime is 31424313311267. The reversal of 31424313311222 is 22211331342413.

It is a super-2 number, since 2×31424313311222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424313311221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577832647 + ... + 1577852562.

It is an arithmetic number, because the mean of its divisors is an integer number (3180930691680).

Almost surely, 2^{31424313311222} is an apocalyptic number.

31424313311222 is a deficient number, since it is larger than the sum of its proper divisors (19470577755658).

31424313311222 is a wasteful number, since it uses less digits than its factorization.

31424313311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155685607.

The product of its digits is 20736, while the sum is 32.

Adding to 31424313311222 its reverse (22211331342413), we get a palindrome (53635644653635).

The spelling of 31424313311222 in words is "thirty-one trillion, four hundred twenty-four billion, three hundred thirteen million, three hundred eleven thousand, two hundred twenty-two".